期刊
INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES
卷 42, 期 6, 页码 1069-1086出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0020-7403(99)00042-9
关键词
residual stress; surface integrity; finite element analysis; metal cutting
A thermo-elastic-viscoplastic model using explicit finite element code Abaqus was developed to investigate the effect of sequential cuts and tool-chip friction on residual stresses in a machined layer. Chip formation, cutting forces and temperature were also examined in the sequential cuts. The affected layer from the first cut slightly changes the chip thickness, cutting forces, residual strain and temperature of the machined layer, but significantly affects the residual stress distribution produced by the second cut. Residual stress is sensitive to friction condition of the tool-chip interface. Simulation results offer an insight into residual stresses induced in sequential cuts. Based on simulation results, characteristics of residual stress distribution can be controlled by optimizing the second cut. (C) 2000 Elsevier Science Ltd. All rights reserved.
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